MARKER LAMP

• Main Authors: ASAHINA MASAHIRO, KOMATSU HARUO
• Format: Patent
• Language: English
• Published: 22.11.2007
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

PROBLEM TO BE SOLVED: To solve a problem in which, although various marker lamps utilizing a xenon lamp and a light accumulating material and using a reflection mirror are released, their diffused light is insufficient to provide satisfying visibility in a short distance in vertical and horizontal directions in a mounted state, and especially, they cannot successfully provide the horizontal diffusion. SOLUTION: In this invention, a lens is used for the vertical diffusion and an arcuate reflection mirror with a light accumulating layer is adopted as a large diffusion angle is required for the horizontal diffusion. In the arcuate reflection mirror, an arc of a section area in its axial direction becomes larger from a center part toward the horizontal direction and diffusion light from right and left tip end parts are radiated to respective side directions of the marker lamp. As a result, visibility in a short distance is improved without hindering brightness in a long distance. COPYRIGHT: (C)2008,JPO&INPIT